diff --git a/Dockerfile b/Dockerfile
index edee92f..ffbe2ec 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,10 +4,8 @@ LABEL maintainer="Jan Christian Grünhage <jan.christian@gruenhage.xyz>"
 ENV UID=1337 \
     GID=1337
 
-RUN apk upgrade \
-      --no-cache \
- && apk add \
-      --no-cache \
+RUN apk upgrade --no-cache \
+ && apk add --no-cache \
       s6 \
       su-exec
 ADD root /